The ratio of the radii of two circles is 2 : 3. The circumference of t – InterviewSolution

1.	The ratio of the radii of two circles is 2 : 3. The circumference of the bigger circle is 22.5π units
Answer» Radius of smaller CIRCLE = 7.5 Radius of bigger circle = 11.25Step-by-step explanation:CIRCUMFERENCE of bigger circle = 22.5π unitsSo, 2πr = 22.5π (circumference of a circle = 2πr)SOLVING above equation we get, r = 11.25 unitsnow the RADII are in the ration 2:3So, smaller radius = 2/3 X 11.25solving this we get smaller radius = 7.5 UNITS

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